1200341451173 has 2 divisors, whose sum is σ = 1200341451174. Its totient is φ = 1200341451172.

The previous prime is 1200341451097. The next prime is 1200341451209. The reversal of 1200341451173 is 3711541430021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1194773605249 + 5567845924 = 1093057^2 + 74618^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200341451173 - 2²⁴ = 1200324673957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200341450173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600170725586 + 600170725587.

It is an arithmetic number, because the mean of its divisors is an integer number (600170725587).

Almost surely, 2^{1200341451173} is an apocalyptic number.

It is an amenable number.

1200341451173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200341451173 is an equidigital number, since it uses as much as digits as its factorization.

1200341451173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 1200341451173 its reverse (3711541430021), we get a palindrome (4911882881194).

The spelling of 1200341451173 in words is "one trillion, two hundred billion, three hundred forty-one million, four hundred fifty-one thousand, one hundred seventy-three".